
<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8" />
    <link rel="stylesheet" href="./../../cesium/Cesium1.98/Widgets/widgets.css">
    <script type="text/javascript" src="./../../cesium/Cesium1.98/Cesium.js"></script>
</head>

<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
    <div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>

    <!-- ./video.mp4 -->
    <script type="text/javascript">

        Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
        const viewer = new Cesium.Viewer('map', {
            geocoder: false,
            homeButton: false,
            sceneModePicker: false,
            baseLayerPicker: false,
            navigationHelpButton: false,
            animation: false,
            timeline: false,
            fullscreenButton: false,
            creditContainer: document.createElement("div"),
            orderIndependentTranslucency: false,

            //这个要有
            contextOptions: {
                webgl: {
                    alpha: true,
                }
            },
        });
        viewer.scene.debugShowFramesPerSecond = true;
        viewer.scene.globe.depthTestAgainstTerrain = true;


        viewer.scene.canvas.style.backgroundImage = "url('./backGroundImg.jpg')" //设置背景图片
        viewer.scene.skyBox.show = false; //不显示天空盒
        viewer.scene.backgroundColor = new Cesium.Color(0.0, 0.0, 0.0, 0.0); //设置背景色透明


    </script>
</body>

</html>